US2493828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine-tool transmission and control mechanism
Assignee: Kearney and Trecker Corp
•
Filing: 1945-06-18
•
Granted: 1950-01-10
•
Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 Fred A Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:25
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/301904; Y10T409/302016; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810821A
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US1900331A
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US2025748A
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US1978389A
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US2039294A
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US2168777A
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US2330567A
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US2250241A
Cited
US2332532A
Cited
US2335304A
Cited
US2335305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |